The Marin Board of Supervisors discusses sea-level rise at 9 a.m. Tuesday in the Civic Center at San Rafael as it relates to coastal flooding, including which areas are vulnerable. The board will also name a successor to Dietrich Stroeh to sit on the Golden Gate Bridge Board as Marin’s public representative. Reporter @MarkPradoIJ posts live. Join the conversation on Twitter with #MarinSupes. Follow on your mobile device.